CN108701931B - Terminal part and connector - Google Patents

Terminal part and connector Download PDF

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Publication number
CN108701931B
CN108701931B CN201780007339.6A CN201780007339A CN108701931B CN 108701931 B CN108701931 B CN 108701931B CN 201780007339 A CN201780007339 A CN 201780007339A CN 108701931 B CN108701931 B CN 108701931B
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CN
China
Prior art keywords
stop
motion body
spear
terminal
terminal part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201780007339.6A
Other languages
Chinese (zh)
Other versions
CN108701931A (en
Inventor
宫村哲矢
田端正明
大森康雄
竹内竣哉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Wiring Systems Ltd, AutoNetworks Technologies Ltd, Sumitomo Electric Industries Ltd filed Critical Sumitomo Wiring Systems Ltd
Publication of CN108701931A publication Critical patent/CN108701931A/en
Application granted granted Critical
Publication of CN108701931B publication Critical patent/CN108701931B/en
Active legal-status Critical Current
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42Securing in a demountable manner
    • H01R13/436Securing a plurality of contact members by one locking piece or operation
    • H01R13/4361Insertion of locking piece perpendicular to direction of contact insertion
    • H01R13/4362Insertion of locking piece perpendicular to direction of contact insertion comprising a temporary and a final locking position
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/03Contact members characterised by the material, e.g. plating, or coating materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42Securing in a demountable manner
    • H01R13/422Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient sockets
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion

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  • Connector Housings Or Holding Contact Members (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

Improve terminal retention.Terminal part has: terminal connection part (12) can be connect with other side's terminal part;Wired portion (13) is disposed in the rear portion of terminal connection part (12) and connect with the terminal part of electric wire;And stop-motion body fastener (18), protrusion are formed in terminal connection part (12) and have stop-motion body locking surface (22), stop-motion body locking surface (22) is stopped body (5) locking.Stop-motion body locking surface (22) is formed as inverse taper from jag side to base end side.

Description

Terminal part and connector
Technical field
The present invention relates to a kind of terminal part and connectors.
Background technique
It is normal that the intracavitary terminal part for being incorporated in connector shell, which carries out dual locking by spear and stop-motion body, (following 1 references of patent document) seen.Terminal part has the terminal connection for the square tube shape connecting with the terminal part of other side side Portion, the fastener for being set to stop-motion body are locked to the rear end of terminal part.It says in further detail, the terminal for being stopped body locking connects The rear end face of socket part becomes face of rising steeply, and the fastener of stop-motion body similarly becomes the face of rising steeply.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2001-332335 bulletin
Summary of the invention
Problems to be solved by the invention
The structure just engaged each other in the face orthogonal with the direction that falls off of such terminal part at last is kept as terminal Power, in practical especially also without what problem.But such as connector miniaturization carry out, also terminal part is set as Thin-walled and the case where minimizing it is inferior, if if keeping above-mentioned locking structure constant, it is likely that generate terminal retention and do not fill The state of affairs divided.
In addition, if mutual binding capacity is shallower in the case where the face of rising steeply engages each other, then to terminal part apply compared with In the case where strong drawing force, it is possible to cause stop-motion body to slide and release locking.
The present invention is completed according to above-mentioned thing, can make terminal retention its purpose is to provide a kind of with easy constituted The terminal part of raising and the connector for storing the terminal part.
Means for solving the problems
Terminal part of the invention is a kind of terminal part, out of rear insertion connector case body, the terminal part The state for preventing falling off from the connector shell is engaged and remained with the stop-motion body for being assemblied in the connector shell, it is special Sign is that the terminal part has: terminal connection part can be connect with other side's terminal part;Wired portion is disposed in The rear portion of the terminal connection part is simultaneously connect with the terminal part of electric wire;And stop-motion body fastener, protrusion are formed in the end Sub- interconnecting piece simultaneously has the stop-motion body locking surface that is engaged by the stop-motion body, and the stop-motion body locking surface is from jag side to cardinal extremity Side is formed as inverse taper, and the terminal part is by the two sides implementation plating after being punched into predetermined shape from base material and in table It covers and is formed, the stop-motion body fastener is formed by stand up piece and piece of turning back, and the entire stop-motion body fastener is formed as big U-shaped is caused, the piece that stands up is erected from the outwardly side of the terminal connection part, and the piece of turning back from described by standing up The erected end of piece is turned back to the outer surface of the terminal connection part and is formed, and stand up piece and the piece of turning back Rear end face is substantially aligned and forms the stop-motion body locking surface, and in the terminal part in addition to the stop-motion body locking surface with Outer remaining part is formed as the coated plating clad can of lamination, but the stop-motion body locking surface is formed as without coating Non-plated clad can.
In addition, connector of the invention, which is characterized in that above-mentioned terminal part to be accommodated in the connector case body.
Invention effect
According to the present invention, because the stop-motion body locking surface of terminal part is formed as inverse taper, if applying to terminal part Add the drawing force towards the direction that falls off, then stop-motion body fastener is locked to stop-motion body in a manner of biting.Terminal can be made to protect as a result, Holding force improves.Even if being hooked by the above-mentioned position that bites, being also avoided that in addition, the locking amount of stop-motion body and terminal part is shallower The locking carried out to terminal part is released from.In the manufacturing process of terminal part, it is punched into scheduled expansion from base material first Shape.Then, plating is implemented to two sides in the table of unfoldable shape and then carries out the assembling for being bent into scheduled shape.At this point, In the case where stop-motion body fastener turns back into the form of U-shaped, naturally, stop-motion body locking surface is again formed as U-shaped. Also, it is preferably inconsistent with stop-motion body together with the region for side of turning back in the region for the setting side for constituting U-shaped part, but because Deviation when for Bending Processing, it is possible to cause the region of the region for erectting side and side of turning back not constitute the same face, and and stop Body carries out unilateral conflict, as a result reduces terminal retention.On this aspect, if if the present invention, then stop-motion body locking surface is Be processed into turn back form after by cutting etc. post-productions and formed, thus make stop-motion body locking surface become non-plated clad can, And the region of the region for erectting side and side of turning back is set as the same face, realizes the state for carrying out bilateral conflict with stop-motion body.Cause This, can certainly obtain scheduled terminal retention.
Detailed description of the invention
Fig. 1 is the main view for showing connector shell.
Fig. 2 is the bottom view for showing connector shell.
Fig. 3 is the main view for showing stop-motion body.
Fig. 4 is the side view for showing terminal part.
Fig. 5 is the top view for showing terminal part.
Fig. 6 is the main view for showing terminal part
Fig. 7 is the line cross-sectional view for showing the line A-A along Fig. 6.
Fig. 8 is the enlarged cross-sectional view for showing stop-motion body fastener.
Fig. 9 is to show the state for doubly preventing terminal part from falling off by stop-motion body and spear in connector case body Side cross-sectional view.
Specific embodiment
The preferred embodiment of the present invention will be described.
Also it may be constructed are as follows: position protrusion of the stop-motion body fastener described in the ratio of the terminal connection part by front side is formed Have a spear fastener, and the spear fastener has a spear locking surface, the spear locking surface can with it is spear Part locking, the spear is formed as to bend in the connector case body, and the spear locking surface is from jag Side to base end side is formed as inverse taper.
According to such composition, because spear locking can also be made to bite face spear, terminal retention can be made more It further increases.
Then, the embodiment for embodying the present invention is illustrated referring to attached drawing.
1 > of < embodiment
(connector shell 1)
Connector shell 1 as shown in Figure 1 is synthetic resin system, in the inside of connector shell 1 throughout as shown in the figure Three sections are formed with multiple chambers 2, and chamber 2 is for storing terminal part T.Each chamber 2 is formed along the longitudinal direction, and terminal part T can be from each chamber 2 Rear insertion.
In the inside of each chamber 2, it is equipped with spear 3 at the position close to front end, spear 3 is for making terminal part T Level-one locking.Spear 3 is formed as extending from the bottom surface of chamber 2 to diagonally forward with cantilever-shaped, and can to diagram up and down direction (with The orthogonal direction of the direction of insertion of terminal part T) flexure.The front end face 3A of spear 3 is formed as being in nature shape when spear 3 Become inclined surface when state.In particular, the inclined surface is formed as tilting as follows: the end positioned at 2 side of chamber of the inclined surface Edge is located on front side of direction of insertion, and the ora terminalis positioned at the side opposite with chamber 2 of the inclined surface is located on rear side of direction of insertion.
The upper surface of connector shell 1 is provided with lock arm 4, lock arm 4 can bend and for locking other side's connector It is set to chimerism.On the other hand, as shown in Fig. 2, having stop-motion body insertion hole 6, stop in the lower surface of connector shell 1 opening Body insertion hole 6 is for assembling stop-motion body 5.As shown in figure 9, stop-motion body insertion hole 6 is formed along the width direction of connector shell 1, Stop-motion body insertion hole 6 the rear of spear 3 by by entire chamber 2 along front and back disjunction in a manner of formed.In addition, stop-motion body insertion hole 6 width direction both ends become a pair of of engaged part 8, if the locking leg 7 of aftermentioned stop-motion body 5 is inserted into, become locking State, to prevent stop-motion body 5 from falling off.
As shown in figure 9, the holder 9 before the front of connector shell 1 is equipped with.Multiple receipts are recessed in preceding holder 9 Receive recess portion 10, multiple housing recess 10 are connected to each chamber 2 respectively and store the front end of terminal part T.Before housing recess 10 Wall becomes the preceding braking parts for preventing terminal part T from advancing, and is open respectively in antetheca and has other side's terminal part (male zero Part) the tab insertion hole 11 that can enter of tab.
(terminal part T)
Terminal part T using conductive metal light sheet as base material, be punched into scheduled expansion shape it Afterwards, for example tin plating (or nickel plating) is implemented on two sides in table.Later, at the end of the unfolded state after by plating process Sub- part T proceeds as follows Bending Processing.
As shown in Figure 4, etc., terminal part T is made of terminal connection part 12 and wired portion 13, and terminal connection part 12 is used It is connect in other side's terminal part, wired portion 13 is for connecting with electric wire.
Terminal connection part 12 is formed as the substantially square tube shape being open towards two direction of front and back.As shown in fig. 6, terminal connection part 12 Bottom wall 14 with the alignment of 13 side of the portion that connects with electric wire, a pair of sidewalls 15R, 15L are erected from the width direction both side edges of bottom wall 14. From the side wall 15L of the side side wall of left side (in Fig. 6 be) erect side wall 15R from ora terminalis to another party (with the right side of figure Side wall) along extending horizontally away roof 16.
As shown in Fig. 4,5,7, being separated setting on the erected end edge of the side wall 15R of another party, there are two protruding portions Position.The position of front side is the spear fastener 17 engaged by spear 3, and the position of rear side is the stop for being stopped the locking of body 5 Body fastener 18.
Stop-motion body fastener 18 is provided projectingly to be in substantially U on rearview from the setting ora terminalis of the side wall 15R of another party The form of shape.I.e., stop-motion body fastener 18 has and stands up piece 19 and piece 20 of turning back, and the piece 19 that stands up is from the side wall of another party with right Neat mode erects, and piece 20 is turned back after edge extends substantially horizontally out inwardly from the upright end for the piece 19 that stands up, from elongated end It turns back to be formed to roof 16.
Stand up piece 19 with turn back piece 20 rear end face become be stopped body 5 locking stop-motion body locking surface 22.Such as Fig. 4, Fig. 7 And shown in Fig. 8, stop-motion body locking surface 22 is formed as inverse taper, is formed as from the outer end side of stop-motion body fastener 18 to cardinal extremity Side is towards inclined inclined surface on front side of the direction of insertion of terminal part T.In other words, stop-motion body fastener 18 is formed as base portion side Anterior-posterior length it is longer than the anterior-posterior length of front end side.In the case where the present embodiment 1, the inclination of stop-motion body locking surface 22 is continuously arrived Until the position of rear end face comprising roof 16.Therefore, the region that terminal part T is engaged can be set by stop-motion body 5 For the range until from stop-motion body locking surface 22 to the rear end face of roof 16.
In addition, stop-motion body locking surface 22 is by passing through the post-productions such as cutting and shape after as terminal part T assembling At.By the machining, so that stop-motion body locking surface 22 is become together with each rear end face of stand up piece 19 and piece 20 of turning back Conplane mode is formed.As a result, as shown in figure 8, stop-motion body locking surface 22 is formed as the non-plating that coating 34 is eliminated Face.
Spear fastener 17 is set to the front end of terminal connection part 12.It is identical as stop-motion body fastener 18, spear Fastener 17 can also turn back and be formed in U-shaped.In particular, spear fastener 17 has erected piece 23 and vertical piece 24, erected piece 23 is erected from the setting ora terminalis of the side wall 15R of another party, and vertical piece 24 is from the ora terminalis of the erected piece 23 edge inwardly After extending horizontally away, Xiang Dingbi 16 turns back.
The rear end face of spear fastener 17 is formed as the spear locking surface 26 engaged by spear 3.In the spear The nose portion of locking surface 26 is slightly formed with vertical part, identical as stop-motion body fastener 18, wraps from the lower end of vertical part Altitude range containing roof is processed to inverse taper.The gradient of spear locking surface 26 is set as being locked to end with spear 3 The gradient of the front end face of the spear 3 of the state (substantially nature) of sub- part T is roughly the same.In addition, spear engages The inclination angle relative to up and down direction in face 26 is bigger than the inclination angle relative to up and down direction of stop-motion body locking surface 22.
In addition, identical as stop-motion body locking surface 22, spear locking surface 26 is also passed through after the assembling of terminal connection part 12 It crosses the later periods processes such as cutting and is formed.Therefore, spear locking surface 26 is again formed as the non-plated clad can that coating 34 is eliminated.
In addition, being internally provided with elastic tongue piece 27 in terminal connection part 12, and elastic tongue piece 27 can be with other side's terminal zero Part Elastic Contact and electrically conducting.
Wired portion 13 is made of electric wire canister portion 28 and insulation canister portion 29, and electric wire canister portion 28 is by the core section of electric wire W Peening, insulation canister portion 29 are configured at the rear of electric wire canister portion 28 and the covered section peening by electric wire W.
(stop-motion body 5)
Stop-motion body 5 is synthetic resin system, and has and be formed as block-like main part 30.Stop-motion body 5 is formed to be inserted into The stop-motion body insertion hole 6 of connector shell 1.As shown in figure 3, the toe lateral (upper side of Fig. 3) of the direction of insertion in stop-motion body 5 And width direction two sides edge is formed with a pair of of locking leg 7.The top of two locking legs 7 is formed with and can bend to width direction Lock pawl 31.It is not shown in detail, but when stop-motion body 5 is inserted into stop-motion body insertion hole 6, lock pawl 31 is in connector case In the engaged part 8 of body 1, engaged in two positions, and stop-motion body 5 is kept in each position.One position is the assembly of stop-motion body 5 The shallower position for being referred to as interim locking position of depth, in the position, terminal part T can freely be plugged relative to chamber 2.Separately One position is the deeper position for being referred to as formal locking position of the assembly depth of stop-motion body 5, in the position, 5 energy of stop-motion body It is engaged with terminal part T and doubly prevents terminal part T from falling off together with spear 3.
As shown in figure 3, the main part 30 in stop-motion body 5 has multiple fenestras 32 throughout two sections of openings along short transverse, thus It is integrally formed into clathrate.When stop-motion body 5 is in interim locking position, each fenestra 32 1 side of connector shell can with it is right The condition communication that each chamber 2 for the section (positioned at two sections of the direction of insertion rear of stop-motion body 5) answered matches.
The portion on rear side of the direction of insertion of stop-motion body 5 as shown in Fig. 3 and Fig. 9, in the opening edge of each fenestra 32 Divide and the edge on front side of the direction of insertion of main part 30 integrally protrudes in the width direction be formed with locking flange respectively 33.When stop-motion body 5 is in formal locking position (position as shown in Figure 9), each flange 33 that engages is locked to stop-motion body locking Face 22.As shown in figure 9, each front for engaging flange 33 constitutes the face vertically risen steeply in the present embodiment 1.
When stop-motion body 5 is in interim locking position, each flange 33 that engages is to moving back on the outside of the access path of terminal part T The plug for keeping away and allowing terminal part T, when stop-motion body 5 is moved to formal locking position, each flange 33 that engages is to terminal part T Access path in charge into and locking opposed with stop-motion body locking surface 22.
Then, the function and effect of the present embodiment 1 constituted through the above way are illustrated.It is kept by stop-motion body 5 In the state of interim locking position, terminal part T is inserted into each chamber 2 from rear.The process that terminal part T advances in chamber 2 In, stop-motion body fastener 18 rides spear 3 and bends spear 3.If terminal part T passes through spear 3 and reaches formal Position, then 3 elastic reset of spear to substantially nature and be locked to the spear fastener 17 of terminal part T.At this point, because Be formed as inverse taper for spear locking surface 26, even if so electric wire is stretched under above-mentioned level-one locking state, due to terminal Part T is hooked in spear 3 in a manner of biting spear 3, so terminal part T has adequately under level-one locking state Retentivity and be prevented from falling off.Also, the mutual gradient of front end face and spear locking surface 26 because of spear 3 is substantially It is identical, even if so being engaged in the state of contacting with each other on surface, it helps the terminal retention in level-one locking state It improves.
If in this way, relative to whole chambers 2, until terminal part T is inserted into formal position, this moment, Stop-motion body locking surface 22 is with substantially seamlessly opposite with stop-motion body insertion hole 6.Then, pressing-in force is applied to stop-motion body 5 and made Stop-motion body 5 is mobile from interim locking position to formal locking position.If stop-motion body 5 reaches formal locking position, stop-motion body 5 The stop-motion body locking surface 22 of each locking flange 33 and stop-motion body fastener 18 engages (second level locking state).
At this point, because stop-motion body locking surface 22 is formed as inverse taper, if applying drawing force to terminal part T, due to only The front end of kinetoplast locking surface 22 is acted in a manner of biting locking flange 33, so higher locking power can be obtained.Assuming that just It is shallower relative to the binding capacity of stop-motion body locking surface 22 to calculate locking flange 33, using the effect of inverse taper, is avoided that locking flange 33 slide from stop-motion body locking surface 22 and maintain locking state.
Also, in the present embodiment, stop-motion body locking surface 22 includes stop-motion body fastener 18, and stop-motion body locking surface 22 passes through Machining after being formed by bending terminal connection part 12 etc. and formed.As described above, the preparatory shape before bending machining In the case where at stop-motion body locking surface 22, in bending machining, it is possible to which the rear end face of stand up piece 19 and piece 20 of turning back is each other not Same plane is constituted, and is staggered in front and back.But as the present embodiment, by adding to the progress later period of stop-motion body locking surface 22 Work is certainly aligned each other so as to make to stand up piece 19 with the rear end face for piece 20 of turning back.Therefore, because can make to stand up piece 19 with And the both sides of the rear end face for piece 20 of turning back are in contact with locking flange 33, so compared with the case where folk prescription contacts, it can be significantly Ensure to engage area, accordingly contributes to improve the locking power generated by stop-motion body 5.In addition, also same in spear locking surface 26 Sample plays the function.
In this way, in the present embodiment 1, because spear 3 is produced relative to the locking power of terminal part T and by stop-motion body 5 Raw locking power improves together, so can expect that terminal retention is significantly increased on the whole.
< other embodiments >
The present invention is not limited to according to the above records and the embodiment of Detailed description of the invention, such as embodiment below is also wrapped Containing within the technical scope of the present invention.
(1) in the above-described embodiments, stop-motion body locking surface 22 is formed as inverse taper, and spear locking surface 26 is also formed For inverse taper, but can also be as in the past, spear locking surface 26 is formed as the face vertically risen steeply.
(2) in the above-described embodiments, it is provided projectingly spear fastener 17 in terminal part T, enabled to spear Part 3 engages, and also can replace spear fastener 17, opens up stop hole in terminal connection part 12, spear 3 is made to be locked to the card Only hole.
(3) in the above-described embodiments, using stop-motion body fastener and spear fastener are turned back into U-shaped together and The structure of two boards is constituted, but replaces structure of turning back, can also be formed by one block of plate.
(4) the case where present invention is suitable for the terminal part of female is shown in the above-described embodiments, but can also be with Terminal part suitable for male form.In this case, the terminal part of male form be configured to have projection piece, with the projection piece The continuous square tube shape portion of rear side and further with the continuous wired portion of rear side of party cylindrical portion, in the terminal zero of male form In part, terminal connection part of the invention is defined by projection piece and square tube shape portion.
Description of symbols
1 ... connector shell
3 ... spear
5 ... stop-motion bodies
12 ... terminal connection parts
13 ... wired portions
17 ... spear fasteners
18 ... stop-motion body fasteners
19 ... stand up piece
20 ... turn back piece
22 ... stop-motion body locking surfaces
26 ... spear locking surfaces

Claims (3)

1. a kind of terminal part is inserted into connector case body from rear, the terminal part and it is assemblied in the connector The stop-motion body of shell engages and remains the state for preventing falling off from the connector shell, which is characterized in that
The terminal part has:
Terminal connection part can be connect with other side's terminal part;
Wired portion is disposed in the rear portion of the terminal connection part and connect with the terminal part of electric wire;And
Stop-motion body fastener protrudes and is formed in the terminal connection part and there is the stop-motion body engaged by the stop-motion body to engage Face,
The stop-motion body locking surface is formed as inverse taper from jag side to base end side,
The terminal part is formed by after being punched into predetermined shape from base material and and plating is implemented on two sides in table,
The stop-motion body fastener is formed by stand up piece and piece of turning back, and the entire stop-motion body fastener is shaped generally as U-shaped, The piece that stands up is erected from the outwardly side of the terminal connection part, and the piece of turning back passes through the setting from the piece that stands up End is turned back to the outer surface of the terminal connection part and is formed,
And the rear end face of stand up piece and the piece of turning back is substantially aligned and forms the stop-motion body locking surface, and described The remaining part other than the stop-motion body locking surface in terminal part is formed as the coated plating clad can of lamination, still The stop-motion body locking surface is formed as the non-plated clad can without coating.
2. terminal part according to claim 1, which is characterized in that
Position protrusion of the stop-motion body fastener described in the ratio of the terminal connection part by front side is formed with spear fastener, and And the spear fastener has spear locking surface, the spear locking surface can be engaged with spear, the spear Be formed as to bend in the connector case body, and the spear locking surface is formed as inverse from prominent end side to base end side Taper.
3. a kind of connector, which is characterized in that
Terminal part described in claims 1 or 2 is incorporated in the connector case body.
CN201780007339.6A 2016-02-11 2017-01-24 Terminal part and connector Active CN108701931B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016-024227 2016-02-11
JP2016024227A JP6610949B2 (en) 2016-02-11 2016-02-11 Terminal fittings and connectors
PCT/JP2017/002245 WO2017138347A1 (en) 2016-02-11 2017-01-24 Terminal fitting and connector

Publications (2)

Publication Number Publication Date
CN108701931A CN108701931A (en) 2018-10-23
CN108701931B true CN108701931B (en) 2019-07-12

Family

ID=59563140

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780007339.6A Active CN108701931B (en) 2016-02-11 2017-01-24 Terminal part and connector

Country Status (4)

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US20190044270A1 (en) 2019-02-07
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WO2017138347A1 (en) 2017-08-17
JP6610949B2 (en) 2019-11-27
CN108701931A (en) 2018-10-23

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